#1: a gas effuses 4.0 times faster than oxygen (o2). what is the molecular mass of the gas? a. 1.0 g/mol b. 2.0 g/mol c. 4.0 g/mol d. 7.67 g/mol **not i think it's either b or what do u think? @mertsj : ),

hi,

the answer is d.indefinite shape but definite volume, let go oogle u out

hope this !

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.